Discuss what parameters are within the context of Python functions. As part of your discussion, answer the following questions.

• What is the difference between a parameter and an argument?
• Is a parameter is also a function local variable?
• Where can parameters be used in expressions?
• Are there any differences between function parameters and variables created inside the function?
• Can a function use variables defined outside the function?
• What happens if a parameter name is the same as the name of a variable defined outside of any function?